Automated detection of alarm sounds

被引：7
|
作者：
Lutfi, Robert A. [1 ]
Heo, Inseok [2 ]
机构：
[1] Univ Wisconsin, Dept Communicat Disorders, Auditory Behav Res Lab, Madison, WI 53706 USA
[2] Univ Wisconsin, Dept Elect & Comp Engn, Auditory Behav Res Lab, Madison, WI 53706 USA
来源：
JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA | 2012年 / 132卷 / 02期
关键词：
D O I：
10.1121/1.4734555
中图分类号：
O42 [声学];
学科分类号：
070206 ; 082403 ;
摘要：
Two approaches to the automated detection of alarm sounds are compared, one based on a change in overall sound level (RMS), the other a change in periodicity, as given by the power of the normalized autocorrelation function (PNA). Receiver operating characteristics in each case were obtained for different exemplars of four classes of alarm sounds (bells/chimes, buzzers/beepers, horns/whistles, and sirens) embedded in four noise backgrounds (cafeteria, park, traffic, and music). The results suggest that PNA combined with RMS may be used to improve current alarm-sound alerting technologies for the hard-of-hearing. (C) 2012 Acoustical Society of America
引用
收藏
页码：EL125 / EL128
页数：4
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